mirror of https://github.com/moparisthebest/wget
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/* Exit status handling.
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Copyright (C) 2009, 2010, 2011, 2012, 2015 Free Software Foundation,
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Inc.
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This file is part of GNU Wget.
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GNU Wget is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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GNU Wget is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Wget. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "wget.h"
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#include "exits.h"
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static int final_exit_status = WGET_EXIT_SUCCESS;
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/* XXX: I don't like that newly-added uerr_t codes will doubtless fall
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through the craccks, or the fact that we seem to have way more
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codes than we know what to do with. Need to go through and sort
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through the truly essential codes, and merge the rest with
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those. Quite a few are never even used!
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Quite a few of the codes below would have no business being
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returned to retrieve_url's caller, but since it's very difficult to
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determine which do and which don't, I grab virtually all of them to
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be safe. */
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static int
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get_status_for_err (uerr_t err)
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{
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switch (err)
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{
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case RETROK:
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return WGET_EXIT_SUCCESS;
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case FOPENERR: case FOPEN_EXCL_ERR: case FWRITEERR: case WRITEFAILED:
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case UNLINKERR: case CLOSEFAILED: case FILEBADFILE:
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return WGET_EXIT_IO_FAIL;
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case NOCONERROR: case HOSTERR: case CONSOCKERR: case CONERROR:
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case CONSSLERR: case CONIMPOSSIBLE: case FTPRERR: case FTPINVPASV:
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case READERR: case TRYLIMEXC:
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return WGET_EXIT_NETWORK_FAIL;
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case VERIFCERTERR:
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return WGET_EXIT_SSL_AUTH_FAIL;
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case FTPLOGINC: case FTPLOGREFUSED: case AUTHFAILED:
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return WGET_EXIT_SERVER_AUTH_FAIL;
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case HEOF: case HERR: case ATTRMISSING:
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return WGET_EXIT_PROTOCOL_ERROR;
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case WRONGCODE: case FTPPORTERR: case FTPSYSERR:
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case FTPNSFOD: case FTPUNKNOWNTYPE: case FTPSRVERR:
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case FTPRETRINT: case FTPRESTFAIL: case FTPNOPASV:
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case CONTNOTSUPPORTED: case RANGEERR: case RETRBADPATTERN:
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case PROXERR: case GATEWAYTIMEOUT:
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return WGET_EXIT_SERVER_ERROR;
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case URLERROR: case QUOTEXC: case SSLINITFAILED: case UNKNOWNATTR:
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default:
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return WGET_EXIT_UNKNOWN;
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}
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}
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/* inform_exit_status
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*
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* Ensure that Wget's exit status will reflect the problem indicated
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* by ERR, unless the exit status has already been set to reflect a more
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* important problem. */
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void
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inform_exit_status (uerr_t err)
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{
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int new_status = get_status_for_err (err);
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if (new_status != WGET_EXIT_SUCCESS
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&& (final_exit_status == WGET_EXIT_SUCCESS
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|| new_status < final_exit_status))
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{
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final_exit_status = new_status;
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}
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}
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int
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get_exit_status (void)
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{
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return
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(final_exit_status == WGET_EXIT_UNKNOWN)
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? 1
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: final_exit_status;
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}
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